---> uname -a: Linux prd-centos8-docker-8c-8g-5123.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-7 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1062 27076 19 3751 30364 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:61:d3:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fe61:d380/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ce:cd:fb:b8 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:ceff:fecd:fbb8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/26/2026 _x86_64_ (8 CPU) 03:37:20 LINUX RESTART (8 CPU) 03:38:02 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 189.04 14.79 174.25 3173.84 10589.50 03:40:01 AM 431.51 5.53 425.97 1231.46 15253.25 03:41:01 AM 276.18 3.03 273.15 526.67 47037.53 03:42:01 AM 56.40 2.70 53.70 128.62 5983.11 Average: 238.49 6.48 232.01 1257.13 19755.16 03:38:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28906948 30853016 3748764 11.48 2688 2263492 1830152 5.43 164828 3122660 211736 03:40:01 AM 27652824 30014084 5002888 15.32 2688 2669352 2399644 7.12 273116 4228228 241180 03:41:01 AM 26484596 29782280 6171116 18.90 2688 3591168 2527384 7.50 651224 4962388 66716 03:42:01 AM 27752256 31119536 4903456 15.02 2688 3659832 1518992 4.51 840564 3508360 8476 Average: 27699156 30442229 4956556 15.18 2688 3045961 2069043 6.14 482433 3955409 132027 03:38:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 211.86 169.50 2526.72 45.04 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 458.13 393.59 5786.40 54.92 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 511.26 405.26 7119.82 790.00 0.00 0.00 0.00 0.00 03:41:01 AM docker0 8.08 11.41 0.48 307.75 0.00 0.00 0.00 0.00 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 165.26 169.99 55.38 1583.54 0.00 0.00 0.00 0.00 03:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 337.16 285.07 3877.84 620.78 0.00 0.00 0.00 0.00 Average: docker0 2.03 2.87 0.12 77.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/26/2026 _x86_64_ (8 CPU) 03:37:20 LINUX RESTART (8 CPU) 03:38:02 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 11.13 0.00 1.12 0.73 0.08 86.93 03:39:01 AM 0 6.55 0.00 0.44 0.05 0.10 92.86 03:39:01 AM 1 21.63 0.00 1.41 0.71 0.07 76.18 03:39:01 AM 2 21.86 0.00 2.87 1.63 0.12 73.51 03:39:01 AM 3 12.82 0.00 1.63 1.82 0.07 83.66 03:39:01 AM 4 4.03 0.00 0.88 0.53 0.08 94.48 03:39:01 AM 5 4.99 0.00 0.51 0.53 0.08 93.89 03:39:01 AM 6 11.86 0.00 0.75 0.48 0.05 86.86 03:39:01 AM 7 5.32 0.00 0.49 0.10 0.09 94.00 03:40:01 AM all 27.43 0.00 1.76 1.57 0.12 69.12 03:40:01 AM 0 27.93 0.00 1.29 0.20 0.12 70.47 03:40:01 AM 1 32.32 0.00 1.44 1.24 0.13 64.87 03:40:01 AM 2 13.27 0.00 1.61 2.04 0.12 82.96 03:40:01 AM 3 36.06 0.00 1.93 1.54 0.12 60.35 03:40:01 AM 4 29.04 0.00 2.77 2.27 0.12 65.80 03:40:01 AM 5 21.97 0.00 1.51 1.68 0.10 74.74 03:40:01 AM 6 26.62 0.00 1.51 1.34 0.12 70.41 03:40:01 AM 7 32.27 0.00 1.99 2.26 0.12 63.36 03:41:01 AM all 18.27 0.00 3.58 1.82 0.11 76.21 03:41:01 AM 0 22.36 0.00 3.13 1.35 0.12 73.05 03:41:01 AM 1 21.41 0.00 4.26 3.74 0.13 70.45 03:41:01 AM 2 12.18 0.00 4.16 3.98 0.10 79.58 03:41:01 AM 3 11.77 0.00 2.71 0.52 0.12 84.88 03:41:01 AM 4 20.64 0.00 3.63 3.14 0.10 72.50 03:41:01 AM 5 21.06 0.00 3.97 1.27 0.10 73.61 03:41:01 AM 6 17.59 0.00 3.15 0.29 0.10 78.87 03:41:01 AM 7 19.18 0.00 3.67 0.32 0.10 76.74 03:42:01 AM all 10.07 0.00 1.11 0.20 0.06 88.55 03:42:01 AM 0 13.49 0.00 1.15 0.08 0.10 85.17 03:42:01 AM 1 11.93 0.00 1.60 0.12 0.08 86.27 03:42:01 AM 2 20.06 0.00 1.65 0.12 0.07 78.10 03:42:01 AM 3 14.35 0.00 1.19 0.05 0.05 84.37 03:42:01 AM 4 6.86 0.00 0.90 1.09 0.08 91.07 03:42:01 AM 5 4.33 0.00 0.77 0.03 0.03 94.84 03:42:01 AM 6 4.46 0.00 0.63 0.02 0.05 94.84 03:42:01 AM 7 5.09 0.00 1.00 0.07 0.05 93.79 Average: all 16.74 0.00 1.89 1.08 0.09 80.19 Average: 0 17.62 0.00 1.50 0.42 0.11 80.35 Average: 1 21.82 0.00 2.18 1.45 0.11 74.45 Average: 2 16.83 0.00 2.57 1.94 0.10 78.56 Average: 3 18.77 0.00 1.86 0.98 0.09 78.30 Average: 4 15.16 0.00 2.05 1.76 0.10 80.94 Average: 5 13.09 0.00 1.69 0.88 0.08 84.26 Average: 6 15.13 0.00 1.51 0.53 0.08 82.75 Average: 7 15.49 0.00 1.79 0.69 0.09 81.94